Παραπομπή APA

Brown, L. R. (1984). State of the world 1984: A world watch Institute report on progress toward a sustainable society. New York: Norton.

Παραπομπή Chicago Style

Brown, Lester R. State of the World 1984: A World Watch Institute Report On Progress Toward a Sustainable Society. New York: Norton, 1984.

Παραπομπή MLA

Brown, Lester R. State of the World 1984: A World Watch Institute Report On Progress Toward a Sustainable Society. New York: Norton, 1984.

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